DelphiDelphiVCLPythonPython GUIWindows

Why Would You Use Application.ComponentIndex From DelphiVCL?

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April 19, 2022
The ComponentIndex property or DelphiVCL.Application.ComponentIndex from DelphiVCL is used to indicate the position of the component in its owner’s Components property array. Use ComponentIndex when iterating through the Components list of the component’s owner to perform an action on owned components. It can be used in conjunction with ComponentCount. ComponentIndex is used…
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Understanding DelphiVCL __init__ For Windows App Development

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April 14, 2022
Whenever object-oriented programming is done in Python, we mostly come across the __init__ method. This article explains the main concept of __init__ method in Python when used for Windows app development of graphical user interfaces (GUIs). “__init__” is a reserved method in python classes. It is known as a constructor in object-oriented concepts. This method is called when an…
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How To Make A Button With Undo And Redo Text Features

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April 8, 2022
After the comprehensive CRM Database project, John Elder recently started a new one, a text editor using the Tkinter module in Python. Creating a text editor using the Tkinter is surprisingly easy and you can add a seemingly endless number of interactive functionalities to it. In his early videos, John taught us how to create a Text Editor and how to add common functionalities including the…
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DelphiDelphiVCLPythonPython GUIWindows

What is ActionUpdateDelay Property in DelphiVCL.Application?

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April 5, 2022
ActionUpdateDelay property or DelphiVCL.Application.ActionUpdateDelay used to delay the call to DoActionIdle. This applies to native Windows development. The following example demonstrates the usefulness of this property: Create an MDI project with the main form, an MDI Child, and a TAction class.Link the TAction OnUpdate event to a method.Run the program and maximize the MDI child. If you…
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